// 百度地图API功能
var BMapLib = window.BMapLib = BMapLib || {}; (function() {
    var c = c || {
        guid: "$BAIDU$"
    }; (function() {
        window[c.guid] = {};
        c.extend = function(g, e) {
            for (var f in e) {
                if (e.hasOwnProperty(f)) {
                    g[f] = e[f]
                }
            }
            return g
        };
        c.lang = c.lang || {};
        c.lang.guid = function() {
            return "TANGRAM__" + (window[c.guid]._counter++).toString(36)
        };
        window[c.guid]._counter = window[c.guid]._counter || 1;
        window[c.guid]._instances = window[c.guid]._instances || {};
        c.lang.Class = function(e) {
            this.guid = e || c.lang.guid();
            window[c.guid]._instances[this.guid] = this
        };
        window[c.guid]._instances = window[c.guid]._instances || {};
        c.lang.isString = function(e) {
            return "[object String]" == Object.prototype.toString.call(e)
        };
        c.lang.isFunction = function(e) {
            return "[object Function]" == Object.prototype.toString.call(e)
        };
        c.lang.Class.prototype.toString = function() {
            return "[object " + (this._className || "Object") + "]"
        };
        c.lang.Class.prototype.dispose = function() {
            delete window[c.guid]._instances[this.guid];
            for (var e in this) {
                if (!c.lang.isFunction(this[e])) {
                    delete this[e]
                }
            }
            this.disposed = true
        };
        c.lang.Event = function(e, f) {
            this.type = e;
            this.returnValue = true;
            this.target = f || null;
            this.currentTarget = null
        };
        c.lang.Class.prototype.addEventListener = function(h, g, f) {
            if (!c.lang.isFunction(g)) {
                return
            } ! this.__listeners && (this.__listeners = {});
            var e = this.__listeners,
                i;
            if (typeof f == "string" && f) {
                if (/[^\w\-]/.test(f)) {
                    throw ("nonstandard key:" + f)
                } else {
                    g.hashCode = f;
                    i = f
                }
            }
            h.indexOf("on") != 0 && (h = "on" + h);
            typeof e[h] != "object" && (e[h] = {});
            i = i || c.lang.guid();
            g.hashCode = i;
            e[h][i] = g
        };
        c.lang.Class.prototype.removeEventListener = function(g, f) {
            if (c.lang.isFunction(f)) {
                f = f.hashCode
            } else {
                if (!c.lang.isString(f)) {
                    return
                }
            } ! this.__listeners && (this.__listeners = {});
            g.indexOf("on") != 0 && (g = "on" + g);
            var e = this.__listeners;
            if (!e[g]) {
                return
            }
            e[g][f] && delete e[g][f]
        };
        c.lang.Class.prototype.dispatchEvent = function(h, e) {
            if (c.lang.isString(h)) {
                h = new c.lang.Event(h)
            } ! this.__listeners && (this.__listeners = {});
            e = e || {};
            for (var g in e) {
                h[g] = e[g]
            }
            var g, f = this.__listeners,
                j = h.type;
            h.target = h.target || this;
            h.currentTarget = this;
            j.indexOf("on") != 0 && (j = "on" + j);
            c.lang.isFunction(this[j]) && this[j].apply(this, arguments);
            if (typeof f[j] == "object") {
                for (g in f[j]) {
                    f[j][g].apply(this, arguments)
                }
            }
            return h.returnValue
        };
        c.lang.inherits = function(k, i, h) {
            var g, j, e = k.prototype,
                f = new Function();
            f.prototype = i.prototype;
            j = k.prototype = new f();
            for (g in e) {
                j[g] = e[g]
            }
            k.prototype.constructor = k;
            k.superClass = i.prototype;
            if ("string" == typeof h) {
                j._className = h
            }
        };
        c.dom = c.dom || {};
        c._g = c.dom._g = function(e) {
            if (c.lang.isString(e)) {
                return document.getElementById(e)
            }
            return e
        };
        c.g = c.dom.g = function(e) {
            if ("string" == typeof e || e instanceof String) {
                return document.getElementById(e)
            } else {
                if (e && e.nodeName && (e.nodeType == 1 || e.nodeType == 9)) {
                    return e
                }
            }
            return null
        };
        c.insertHTML = c.dom.insertHTML = function(h, e, g) {
            h = c.dom.g(h);
            var f, i;
            if (h.insertAdjacentHTML) {
                h.insertAdjacentHTML(e, g)
            } else {
                f = h.ownerDocument.createRange();
                e = e.toUpperCase();
                if (e == "AFTERBEGIN" || e == "BEFOREEND") {
                    f.selectNodeContents(h);
                    f.collapse(e == "AFTERBEGIN")
                } else {
                    i = e == "BEFOREBEGIN";
                    f[i ? "setStartBefore": "setEndAfter"](h);
                    f.collapse(i)
                }
                f.insertNode(f.createContextualFragment(g))
            }
            return h
        };
        c.ac = c.dom.addClass = function(k, m) {
            k = c.dom.g(k);
            var f = m.split(/\s+/),
                e = k.className,
                j = " " + e + " ",
                h = 0,
                g = f.length;
            for (; h < g; h++) {
                if (j.indexOf(" " + f[h] + " ") < 0) {
                    e += (e ? " ": "") + f[h]
                }
            }
            k.className = e;
            return k
        };
        c.event = c.event || {};
        c.event._listeners = c.event._listeners || [];
        c.on = c.event.on = function(f, i, k) {
            i = i.replace(/^on/i, "");
            f = c._g(f);
            var j = function(m) {
                    k.call(f, m)
                },
                e = c.event._listeners,
                h = c.event._eventFilter,
                l,
                g = i;
            i = i.toLowerCase();
            if (h && h[i]) {
                l = h[i](f, i, j);
                g = l.type;
                j = l.listener
            }
            if (f.addEventListener) {
                f.addEventListener(g, j, false)
            } else {
                if (f.attachEvent) {
                    f.attachEvent("on" + g, j)
                }
            }
            e[e.length] = [f, i, k, j, g];
            return f
        };
        c.un = c.event.un = function(g, j, f) {
            g = c._g(g);
            j = j.replace(/^on/i, "").toLowerCase();
            var m = c.event._listeners,
                h = m.length,
                i = !f,
                l, k, e;
            while (h--) {
                l = m[h];
                if (l[1] === j && l[0] === g && (i || l[2] === f)) {
                    k = l[4];
                    e = l[3];
                    if (g.removeEventListener) {
                        g.removeEventListener(k, e, false)
                    } else {
                        if (g.detachEvent) {
                            g.detachEvent("on" + k, e)
                        }
                    }
                    m.splice(h, 1)
                }
            }
            return g
        };
        c.preventDefault = c.event.preventDefault = function(e) {
            if (e.preventDefault) {
                e.preventDefault()
            } else {
                e.returnValue = false
            }
        }
    })();
    //TODO
    var d = BMapLib.MeasureAreaTool = function(f, e) {
        if (!f) {
            return
        }
        this._map = f;
        e = e || {};
        this._opts = c.extend(c.extend(this._opts || {},
            {
                tips: "\u6d4b\u8ddd",
                followText: "\u5355\u51fb\u786e\u5b9a\u5730\u70b9\uff0c\u53cc\u51fb\u7ed3\u675f",
                unit: "metric",
                lineColor: "#ff6319",
                lineStroke: 2,
                opacity: 0.8,
                lineStyle: "solid",
                cursor: "http://api.map.baidu.com/images/ruler.cur",
                secIcon: null,
                closeIcon: null
            }), e);
        this._followTitle = null;
        this._points = [];
        this._paths = [];
        this._dots = [];
        this._segDistance = [];
        this._overlays = [];
        this._enableMassClear = true,
            this._units = {
                metric: {
                    name: "metric",
                    conv: 1,
                    incon: 1000,
                    u1: "\u7c73",
                    u2: "\u516c\u91cc"
                },
                us: {
                    name: "us",
                    conv: 3.2808,
                    incon: 5279.856,
                    u1: "\u82f1\u5c3a",
                    u2: "\u82f1\u91cc"
                }
            };
        this._isOpen = false;
        this._startFollowText = "\u5355\u51fb\u786e\u5b9a\u8d77\u70b9";
        this._movingTimerId = null;
        this._styles = {
            BMapLib_diso: "height:17px;width:5px;position:absolute;background:url(http://api.map.baidu.com/images/dis_box_01.gif) no-repeat left top",
            BMapLib_disi: "color:#7a7a7a;position:absolute;left:5px;padding:0 4px 1px 0;line-height:17px;background:url(http://api.map.baidu.com/images/dis_box_01.gif) no-repeat right top",
            BMapLib_disBoxDis: "color:#ff6319;font-weight:bold"
        };
        if (this._opts.lineStroke <= 0) {
            this._opts.lineStroke = 2
        }
        if (this._opts.opacity > 1) {
            this._opts.opacity = 1
        } else {
            if (this._opts.opacity < 0) {
                this._opts.opacity = 0
            }
        }
        if (this._opts.lineStyle != "solid" && this._opts.lineStyle != "dashed") {
            this._opts.lineStyle = "solid"
        }
        if (!this._units[this._opts.unit]) {
            this._opts.unit = "metric"
        }
        this.text = "\u6d4b\u8ddd"
    };
    c.lang.inherits(d, c.lang.Class, "DistanceTool");
    d.prototype._bind = function() {
        this._setCursor(this._opts.cursor);
        var f = this;
        c.on(this._map.getContainer(), "mousemove",
            function(i) {
                if (!f._isOpen) {
                    return
                }
                if (!f._followTitle) {
                    return
                }
                i = window.event || i;
                var g = i.target || i.srcElement;
                if (g != a.getDom(f._map)) {
                    f._followTitle.hide();
                    return
                }
                if (!f._mapMoving) {
                    f._followTitle.show()
                }
                var h = a.getDrawPoint(i, true);
                f._followTitle.setPosition(h)
            });
        if (this._startFollowText) {
            var e = this._followTitle = new BMap.Label(this._startFollowText, {
                offset: new BMap.Size(14, 16)
            });
            this._followTitle.setStyles({
                color: "#333",
                borderColor: "#ff0103"
            })
        }
    };
    d.prototype.open = function() {
        if (this._isOpen == true) {
            return true
        }
        if ( !! BMapLib._toolInUse) {
            return
        }
        this._isOpen = true;
        BMapLib._toolInUse = true;
        if (this._mapMoving) {
            delete this._mapMoving
        }
        var h = this;
        if (!this._binded) {
            this._binded = true;
            this._bind();
            this._map.addEventListener("moving",
                function() {
                    h._hideCurrent()
                })
        }
        if (this._followTitle) {
            this._map.addOverlay(this._followTitle);
            this._followTitle.hide()
        }
        var g = function(q) {
            //TODO
            var l = h._map;//获取map对象
            if (!h._isOpen) {//判断测距工具是否打开，关闭则返回
                return
            }
            q = window.event || q;
            var n = a.getDrawPoint(q, true);//获取鼠标点击的点
            if (!h._isPointValid(n)) {//判断点是否有效
                return
            }
            h._bind.initX = q.pageX || q.clientX || 0;//绑定当前的坐标
            h._bind.initY = q.pageY || q.clientY || 0;
            if (h._points.length > 0) {
                var t = l.pointToPixel(h._points[h._points.length - 1]);//获取点数组最后一个元素，转换为Pixel点
                var m = l.pointToPixel(n);//将当前的点转换为Pixel点
                var p = Math.sqrt(Math.pow(t.x - m.x, 2) + Math.pow(t.y - m.y, 2));//求两个点的距离
                if (p < 5) {//距离小于5则返回
                    return
                }
            }
            h._bind.x = q.layerX || q.offsetX || 0;//保存当前坐标
            h._bind.y = q.layerY || q.offsetY || 0;
            h._points.push(n);//将当前坐标存入数组
            h._addSecPoint(n);//TODO
            if (h._paths.length == 0) {
                h._formatTitle(1, h._opts.followText, h._getTotalDistance())
            }
            if (h._paths.length > 0) {
                h._paths[h._paths.length - 1].show();
                h._paths[h._paths.length - 1].setStrokeOpacity(h._opts.opacity)
            }
            var w = new BMap.Polyline([n, n], {
                enableMassClear: h._enableMassClear
            });
            h._map.addOverlay(w);
            h._paths.push(w);
            h._overlays.push(w);
            w.setStrokeWeight(h._opts.lineStroke);
            w.setStrokeColor(h._opts.lineColor);
            w.setStrokeOpacity(h._opts.opacity / 2);
            w.setStrokeStyle(h._opts.lineStyle);
            if (h._mapMoving) {
                w.hide()
            }
            if (h._points.length > 1) {
                var o = h._paths[h._points.length - 2];
                o.setPositionAt(1, n)
            }
            var r = "";
            var v;
            if (h._points.length > 1) {
                var u = h._setSegDistance(h._points[h._points.length - 2], h._points[h._points.length - 1]);
                var s = h._getTotalDistance();
                r = h._formatDisStr(s);
                v = new BMap.Label(r, {
                    offset: new BMap.Size(10, -5),
                    enableMassClear: h._enableMassClear
                });
            } else {
                r = "\u8d77\u70b9";
                v = new BMap.Label(r, {
                    offset: new BMap.Size(-10, -25),
                    enableMassClear: h._enableMassClear
                });
            }
            // var v = new BMap.Label(r, {
            //     offset: new BMap.Size(10, -5),
            //     enableMassClear: h._enableMassClear
            // });
            v.setStyles({
                color: "#333",
                borderColor: "#ff0103"
            });
            h._map.addOverlay(v);
            h._formatSegLabel(v, r);
            h._overlays.push(v);
            n.disLabel = v;
            v.setPosition(n);
            var k = new c.lang.Event("onaddpoint");
            k.point = n;
            k.pixel = h._map.pointToPixel(n);
            k.index = h._points.length - 1;
            k.distance = h._getTotalDistance().toFixed(0);
            h.dispatchEvent(k)
        };
        var f = function(p) {
            if (!h._isOpen) {
                return
            }
            if (h._paths.length > 0) {
                p = window.event || p;
                var l = p.pageX || p.clientX || 0;
                var k = p.pageY || p.clientY || 0;
                if (typeof h._bind.initX == "undefined") {
                    h._bind.x = p.layerX || p.offsetX || 0;
                    h._bind.y = p.layerY || p.offsetY || 0;
                    h._bind.initX = l;
                    h._bind.initY = k
                }
                var r = h._bind.x + l - h._bind.initX;
                var q = h._bind.y + k - h._bind.initY;
                var z = h._paths[h._paths.length - 1];
                var m = h._map.pixelToPoint(new BMap.Pixel(r, q));
                z.setPositionAt(1, m);
                if (!h._mapMoving) {
                    z.show()
                }
                var A = 0;
                var u = 0;
                if (r < 10) {
                    A = 8
                } else {
                    if (r > h._map.getSize().width - 10) {
                        A = -8
                    }
                }
                if (q < 10) {
                    u = 8
                } else {
                    if (q > h._map.getSize().height - 10) {
                        u = -8
                    }
                }
                if (A != 0 || u != 0) {
                    if (!f._movingTimerId) {
                        h._mapMoving = true;
                        h._map.panBy(A, u, {
                            noAnimation: true
                        });
                        h._movingTimerId = f._movingTimerId = setInterval(function() {
                                h._map.panBy(A, u, {
                                    noAnimation: true
                                })
                            },
                            30);
                        z.hide();
                        h._followTitle && h._followTitle.hide()
                    }
                } else {
                    if (f._movingTimerId) {
                        clearInterval(f._movingTimerId);
                        delete f._movingTimerId;
                        delete h._movingTimerId;
                        var w = h._paths[h._paths.length - 1];
                        var v = h._map.pixelToPoint(new BMap.Pixel(r, q));
                        if (!w) {
                            return
                        }
                        w.setPositionAt(1, v);
                        w.show();
                        if (h._followTitle) {
                            h._followTitle.setPosition(v);
                            h._followTitle.show()
                        }
                        h._bind.i = 0;
                        h._bind.j = 0;
                        delete h._mapMoving
                    }
                }
                if (h._followTitle) {
                    var o = h._getTotalDistance();
                    var n = h._map.getDistance(h._points[h._points.length - 1], m);
                    h._updateInstDis(h._followTitle, o + n)
                }
            } else {
                if (h._followTitle) {
                    h._followTitle.show();
                    p = window.event || p;
                    var s = p.target || p.srcElement;
                    if (s != a.getDom()) {
                        h._followTitle.hide()
                    }
                }
            }
        };
        var e = function(k) {
            if (!h._isOpen) {
                return
            }

            c.un(a.getDom(h._map), "click", g);
            c.un(document, "mousemove", f);
            c.un(a.getDom(h._map), "dblclick", e);
            c.un(document, "keydown", j);
            c.un(a.getDom(h._map), "mouseup", i);
            setTimeout(function() {
                    //1
                    h.close()
                },
                50)
        };
        var j = function(k) {
            k = window.event || k;
            if (k.keyCode == 27) {
                h._clearCurData();
                setTimeout(function() {
                        //2
                        h.close()
                    },
                    50)
            }
        };
        var i = function(k) {
            k = window.event || k;
            var l = 0;
            if (/msie (\d+\.\d)/i.test(navigator.userAgent)) {
                l = document.documentMode || +RegExp["\x241"]
            }
            if (l && k.button != 1 || k.button == 2) {
                //3
                h.close()
            }
        };
        h._initData();
        this._formatTitle();
        a.show(this._map);
        this._setCursor(this._opts.cursor);
        c.on(a.getDom(this._map), "click", g);
        c.on(document, "mousemove", f);
        c.on(a.getDom(this._map), "dblclick", e);
        c.on(document, "keydown", j);
        c.on(a.getDom(this._map), "mouseup", i);
        this.bindFunc = [{
            elem: a.getDom(this._map),
            type: "click",
            func: g
        },
            {
                elem: a.getDom(this._map),
                type: "dblclick",
                func: e
            },
            {
                elem: document,
                type: "mousemove",
                func: f
            },
            {
                elem: document,
                type: "keydown",
                func: j
            },
            {
                elem: a.getDom(this._map),
                type: "mouseup",
                func: i
            }];
        return true
    };
    d.prototype._dispatchLastEvent = function() {
        var e = new c.lang.Event("ondrawend");
        e.points = this._points ? this._points.slice(0) : [];
        e.overlays = this._paths ? this._paths.slice(0, this._paths.length - 1) : [];
        e.distance = this._getTotalDistance().toFixed(0);
        this.dispatchEvent(e)
    };
    d.prototype.close = function() {
        if (this._isOpen == false) {
            return
        }
        this._isOpen = false;
        BMapLib._toolInUse = false;
        if (this._mapMoving) {
            delete this._mapMoving
        }
        var g = this;
        g._dispatchLastEvent();
        if (g._points.length < 2) {
            g._clearCurData()
        } else {
            g._paths[g._paths.length - 1].remove();
            g._paths[g._paths.length - 1] = null;
            g._paths.length = g._paths.length - 1;
            var h = g._points[g._points.length - 1];
            if (h.disLabel) {
                h.disLabel.remove()
            }
            g._processLastOp()
        }
        a.hide();
        for (var f = 0,
                 e = this.bindFunc.length; f < e; f++) {
            c.un(this.bindFunc[f].elem, this.bindFunc[f].type, this.bindFunc[f].func)
        }
        if (g._movingTimerId) {
            clearInterval(g._movingTimerId);
            g._movingTimerId = null
        }
        if (this._followTitle) {
            this._followTitle.hide()
        }
    };
    d.prototype._clearCurData = function() {
        for (var f = 0,
                 e = this._points.length; f < e; f++) {
            if (this._points[f].disLabel) {
                this._points[f].disLabel.remove()
            }
        }
        for (var f = 0,
                 e = this._paths.length; f < e; f++) {
            this._paths[f].remove()
        }
        for (var f = 0,
                 e = this._dots.length; f < e; f++) {
            this._dots[f].remove()
        }
        this._initData()
    };
    d.prototype._initData = function() {
        this._points.length = 0;
        this._paths.length = 0;
        this._segDistance.length = 0;
        this._dots.length = 0
    };
    d.prototype._setSegDistance = function(g, f) {
        if (!g || !f) {
            return
        }
        var e = this._map.getDistance(g, f);
        this._segDistance.push(e);
        return e
    };
    d.prototype._getTotalDistance = function() {
        var g = 0;
        for (var f = 0,
                 e = this._segDistance.length; f < e; f++) {
            g += this._segDistance[f]
        }
        return g
    };
    d.prototype._convertUnit = function(e, f) {
        f = f || "metric";
        if (this._units[f]) {
            return e * this._units[f].conv
        }
        return e
    };
    d.prototype._addSecPoint = function(g) {
        var f = this._opts.secIcon ? this._opts.secIcon: new BMap.Icon("http://api.map.baidu.com/images/mapctrls.png", new BMap.Size(11, 11), {
            imageOffset: new BMap.Size( - 26, -313)
        });
        var e = new BMap.Marker(g, {
            icon: f,
            clickable: false,
            baseZIndex: 3500000,
            zIndexFixed: true,
            enableMassClear: this._enableMassClear
        });
        this._map.addOverlay(e);
        this._dots.push(e)
    };
    d.prototype._formatDisStr = function(h) {
        var f = this._opts.unit;
        var g = this._units[f].u1;
        var e = this._convertUnit(h, f);
        if (e > this._units[f].incon) {
            e = e / this._units[f].incon;
            g = this._units[f].u2;
            e = e.toFixed(1)
        } else {
            e = e.toFixed(0)
        }
        return e + g
    };
    d.prototype._setCursor = function(f) {
        var e = /webkit/.test(navigator.userAgent.toLowerCase()) ? "url(" + this._opts.cursor + ") 3 6, crosshair": "url(" + this._opts.cursor + "), crosshair";
        a._setCursor(e)
    };
    d.prototype._getCursor = function() {
        return this._opts.cursor
    };
    d.prototype._formatSegLabel = function(e, f) {
        e.setStyle({
            border: "none",
            padding: "0"
        });
        e.setContent("<span style='" + this._styles.BMapLib_diso + "'><span style='" + this._styles.BMapLib_disi + "'>" + f + "</span></span>")
    };
    d.prototype._processLastOp = function() {
        var i = this;
        delete i._bind.x;
        delete i._bind.y;
        delete i._bind.initX;
        delete i._bind.initY;

        if (i._paths.length > i._points.length - 1) {
            var g = i._paths.length - 1;
            i._paths[g].remove();
            i._paths[g] = null;
            i._paths.length = g
        }

        var w = new BMap.Polyline([i._points[0], i._points[i._points.length-1]], {
            enableMassClear: i._enableMassClear
        });
        i._map.addOverlay(w);
        i._paths.push(w);
        i._overlays.push(w);
        w.setStrokeWeight(i._opts.lineStroke);
        w.setStrokeColor(i._opts.lineColor);
        w.setStrokeOpacity(i._opts.opacity);
        w.setStrokeStyle(i._opts.lineStyle);

        var e = {};
        e.points = i._points.slice(0);
        e.paths = i._paths.slice(0);
        e.dots = i._dots.slice(0);
        e.segDis = i._segDistance.slice(0);
        var j = i._map.pointToPixel(e.points[e.points.length - 1]);
        var h = i._map.pointToPixel(e.points[e.points.length - 2]);
        var k = [0, 0];
        var f = [0, 0];
        if (j.y - h.y >= 0) {
            f = [ - 5, 11]
        } else {
            f = [ - 5, -35]
        }
        if (j.x - h.x >= 0) {
            k = [14, 0]
        } else {
            k = [ - 14, 0]
        }
        var n = e.points[e.points.length - 1];
        n.disLabel = new BMap.Label("", {
            offset: new BMap.Size( - 15, -40),
            enableMassClear: i._enableMassClear
        });
        n.disLabel.setStyles({
            color: "#333",
            borderColor: "#ff0103"
        });
        i._map.addOverlay(n.disLabel);
        n.disLabel.setOffset(new BMap.Size(f[0], f[1]));
        n.disLabel.setPosition(n);
        i._formatTitle(2, "", "", n.disLabel);
        var m = this._opts.closeIcon ? this._opts.closeIcon: new BMap.Icon("http://api.map.baidu.com/images/mapctrls.gif", new BMap.Size(12, 12), {
            imageOffset: new BMap.Size(0, -14)
        });
        e.closeBtn = new BMap.Marker(e.points[e.points.length - 1], {
            icon: m,
            offset: new BMap.Size(k[0], k[1]),
            baseZIndex: 3600000,
            enableMassClear: i._enableMassClear
        });
        //将多边形绑定到关闭按钮上
        var hh = this;
        e.closeBtn._polygon = hh.polygon;
        hh.polygon = undefined;
        hh._areaPoints = undefined;
        i._map.addOverlay(e.closeBtn);
        //绑定添加焦点事件
        e.closeBtn.setTitle("\u6e05\u9664\u672c\u6b21\u6d4b\u8ddd");
        e.closeBtn.addEventListener("click",
            function(r) {
                //TODO
                var polygon = r.target._polygon;
                if(polygon.label!=undefined){
                    hh._map.removeOverlay(polygon.label);
                }
                hh._map.removeOverlay(polygon);
                r.target._polygon =undefined;

                for (var p = 0,
                         o = e.points.length; p < o; p++) {
                    e.points[p].disLabel.remove();
                    e.points[p].disLabel = null
                }
                for (var p = 0,
                         o = e.paths.length; p < o; p++) {
                    e.paths[p].remove();
                    e.paths[p] = null
                }
                for (var p = 0,
                         o = e.dots.length; p < o; p++) {
                    e.dots[p].remove();
                    e.dots[p] = null
                }
                e.closeBtn.remove();
                e.closeBtn = null;
                b(r);
                var q = new c.lang.Event("onremovepolyline");
                i.dispatchEvent(q)
                //todo
            });
        i._initData()
    };
    d.prototype._formatTitle = function(g, l, e, i) {
        var h = i || this._followTitle;
        if (!h) {
            return
        }
        h.setStyle({
            lineHeight: "16px",
            zIndex: "85",
            padding: "3px 5px"
        });
        var n = this._startFollowText || "";
        var k = [];
        if (g == 1) {
            h.setOffset(0, 25);
            var m = this._opts.unit;
            var j = this._units[m].u1;
            var f = this._convertUnit(e, m);
            if (f > this._units[m].incon) {
                f = f / this._units[m].incon;
                j = this._units[m].u2;
                f = f.toFixed(1)
            } else {
                f = f.toFixed(0)
            }
            k.push("<span>\u603b\u957f\uff1a<span style='" + this._styles.BMapLib_disBoxDis + "'>" + f + "</span>" + j + "</span><br />");
            k.push("<span style='color:#7a7a7a'>" + l + "</span>")
        } else {
            if (g == 2) {
                var m = this._opts.unit;
                var j = this._units[m].u1;
                var f = this._convertUnit(this._getTotalDistance(), m);
                if (f > this._units[m].incon) {
                    f = f / this._units[m].incon;
                    j = this._units[m].u2;
                    f = f.toFixed(1)
                } else {
                    f = f.toFixed(0)
                }
                k.push("\u603b\u957f\uff1a<span style='" + this._styles.BMapLib_disBoxDis + "'>" + f + "</span>" + j)
            } else {
                h.setOffset(0, 25);
                k.push(n)
            }
        }
        h.setContent(k.join(""))
    };
    d.prototype._updateInstDis = function(g, e) {
        var f = this._opts.unit;
        var i = this._units[f].u1;
        if (e > this._units[f].incon) {
            e = e / this._units[f].incon;
            i = this._units[f].u2;
            e = e.toFixed(1)
        } else {
            e = e.toFixed(0)
        }
        if (g) {
            var h = [];
            h.push("<span>\u603b\u957f\uff1a<span style='" + this._styles.BMapLib_disBoxDis + "'>" + e + "</span>" + i + "</span><br />");
            h.push("<span style='color:#7a7a7a'>" + this._opts.followText + "</span>");
            g.setContent(h.join(""))
        }
    };
    d.prototype._hideCurrent = function() {
        if (!this._isOpen) {
            return
        }
        if (this._paths.length > 0) {
            var e = this._paths[this._paths.length - 1];
            e.hide()
        }
        this._followTitle && this._followTitle.hide()
    };
    d.prototype._isPointValid = function(h) {
        if (!h) {
            return false
        }
        var f = this._map.getBounds();
        var e = f.getSouthWest(),
            g = f.getNorthEast();
        if (h.lng < e.lng || h.lng > g.lng || h.lat < e.lat || h.lat > g.lat) {
            return false
        }
        return true
    };
    var a = {
        _map: null,
        _html: "<div style='background:transparent url(http://api.map.baidu.com/images/blank.gif);position:absolute;left:0;top:0;width:100%;height:100%;z-index:1000' unselectable='on'></div>",
        _maskElement: null,
        _cursor: "default",
        _inUse: false,
        show: function(e) {
            if (!this._map) {
                this._map = e
            }
            this._inUse = true;
            if (!this._maskElement) {
                this._createMask(e)
            }
            this._maskElement.style.display = "block"
        },
        _createMask: function(g) {
            this._map = g;
            if (!this._map) {
                return
            }
            c.insertHTML(this._map.getContainer(), "beforeEnd", this._html);
            var f = this._maskElement = this._map.getContainer().lastChild;
            var e = function(h) {
                b(h);
                return c.preventDefault(h)
            };
            c.on(f, "mouseup",
                function(h) {
                    if (h.button == 2) {
                        e(h)
                    }
                });
            c.on(f, "contextmenu", e);
            f.style.display = "none"
        },
        getDrawPoint: function(h, j) {
            h = window.event || h;
            var f = h.layerX || h.offsetX || 0;
            var i = h.layerY || h.offsetY || 0;
            var g = h.target || h.srcElement;
            if (g != a.getDom(this._map) && j == true) {
                while (g && g != this._map.getContainer()) {
                    if (! (g.clientWidth == 0 && g.clientHeight == 0 && g.offsetParent && g.offsetParent.nodeName.toLowerCase() == "td")) {
                        f += g.offsetLeft;
                        i += g.offsetTop
                    }
                    g = g.offsetParent
                }
            }
            if (g != a.getDom(this._map) && g != this._map.getContainer()) {
                return
            }
            if (typeof f === "undefined" || typeof i === "undefined") {
                return
            }
            if (isNaN(f) || isNaN(i)) {
                return
            }
            return this._map.pixelToPoint(new BMap.Pixel(f, i))
        },
        hide: function() {
            if (!this._map) {
                return
            }
            this._inUse = false;
            if (this._maskElement) {
                this._maskElement.style.display = "none"
            }
        },
        getDom: function(e) {
            if (!this._maskElement) {
                this._createMask(e)
            }
            return this._maskElement
        },
        _setCursor: function(e) {
            this._cursor = e || "default";
            if (this._maskElement) {
                this._maskElement.style.cursor = this._cursor
            }
        }
    };
    function b(f) {
        var f = window.event || f;
        f.stopPropagation ? f.stopPropagation() : f.cancelBubble = true
    }
})();

var _polygonStyleOptions = {
    strokeColor:"blue",    //边线颜色。
    fillColor:"#FFCCFF",      //填充颜色。当参数为空时，圆形将没有填充效果。
    strokeWeight: 0.00001,       //边线的宽度，以像素为单位。
    strokeOpacity: 0,    //边线透明度，取值范围0 - 1。
    fillOpacity: 0.3,      //填充的透明度，取值范围0 - 1。
    strokeStyle: 'solid' //边线的样式，solid或dashed。
}
var _LabelOptions = {
    color : "black",
    fontSize : "16px",
    fillColor:"red"      //填充颜色。当参数为空时，圆形将没有填充效果。
}
function getCenterPoint(path) {
	//var path = e.;
	//Array<Point> 返回多边型的点数组
	//var ret=parseFloat(num1)+parseFloat(num2);
	var x = 0.0;
	var y = 0.0;
	for(var i=0;i<path.length;i++){
		x=x+ parseFloat(path[i].lng);
		y=y+ parseFloat(path[i].lat);
	}
	x=x/path.length;
	y=y/path.length;
	//return new BMap.Point(path[0].lng,path[0].lat);
	return new BMap.Point(x,y);
	//return path[0];
}
//自定义测量面积工具
var createMeasureAreaTool =function(map){
    var myDis = new BMapLib.MeasureAreaTool(map);   //测距插件

    myDis.addEventListener("addpoint", function(e) {
        var _map = e.target._map;
        if(e.target._areaPoints == undefined){
            e.target._areaPoints = new Array();
        }
        e.target._areaPoints.push(e.point);
        if(e.target.polygon == undefined){
            var polygon = new BMap.Polygon(e.target._areaPoints,_polygonStyleOptions);
            myDis.polygon = polygon;
            _map.addOverlay(polygon);
        }else{
            var polygon = e.target.polygon;
            polygon.setPath(e.target._areaPoints);
            //计算多边形的面积
            var _area = 0;
            _area = BMapLib.GeoUtils.getPolygonArea(polygon);
            //保留两位小数
            _area = _area.toFixed(2);
            //获取多边形的中心
            var _paths = polygon.getPath();
            var point = getCenterPoint(_paths);
            //移除polygon之前的label
            if(polygon.label!=undefined){
                var l = polygon.label;
                _map.removeOverlay(l);
                polygon.label = undefined;
            }
            //往多边形添加标注
            var label = new BMap.Label("区域面积："+_area+"m3",_LabelOptions);
            polygon.label =label;
            label.setPosition(point);
            //往地图上添加标注
            _map.addOverlay(label);
        }
    });
    return myDis;
}
